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Finding the Fourth Proportional to 465,537.60, 698,306.40 and 331,693.20

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Solution

The fourth proportional to 465,537.60, 698,306.40 and 331,693.20 is: 497,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,537.60 : 698,306.40 = 331,693.20 : x
  2. Step 2: Convert to fraction form
    465,537.60/698,306.40 = 331,693.20/x
  3. Step 3: Cross multiply
    465,537.60x = 698,306.40 × 331,693.20
  4. Step 4: Simplify right side
    465,537.60x = 231,623,484,396.48
  5. Step 5: Solve for x
    x = 231,623,484,396.48/465,537.60
  6. Step 6: Final answer
    x = 497,539.80

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